<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>bootstrap</title>

    <!-- Bootstrap -->
    <link href="../bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
      html,body{
        width: 100%;
        height: 100%;
        padding: 0;
        margin:0;
      }
      .one{
        width:100%;
      }
    </style>
   
  </head>
  <body>
    <div class="container-fluid">

      <div class="row">

        <div class="col-sm-4"><img src="img/05ctrip1.jpg" alt="" class="one"></div>
        <div class="col-sm-4"><img src="img/05ctrip2.jpg" alt="" class="one"></div>

        <div class="row">
           <div>
              <img src="img/05ctrip3.jpg" alt="">
            </div>
           <div>
              <img src="img/05ctrip4.jpg" alt="">
            </div>
       </div>

     </div>
   </div>

     <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
    <script src="../jquery-3.3.1.min.js"></script>
    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
    <script src="../bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
  </body>
</html>